Workhorse + Nim Deathmantle + Purphoros, God of the Forge + Phyrexian Altar

Workhorse
Nim Deathmantle
Purphoros, God of the Forge
Phyrexian Altar

Requires
Workhorse must be on the battlefield. Nim Deathmantle must be on the battlefield. Purphoros, God of the Forge must be on the battlefield. Phyrexian Altar must be on the battlefield. Nim Deathmantle attached to Workhorse.
Steps
  1. Activate Workhorse by removing four +1/+1 counters, adding .
  2. Activate Phyrexian Altar by sacrificing Workhorse, adding one mana of any color.
  3. Workhorse dies, triggering Nim Deathmantle, causing you to pay 4 to return Workhorse from your graveyard to the battlefield, and attach Nim Deathmantle to it.
  4. Workhorse enters the battlefield with four +1/+1 counters on it.
  5. Purphoros triggers, dealing 2 damages to each opponent.
  6. Repeat.
Results
Infinite colored mana. Infinite colorless mana. Infinite damage. Infinite death triggers. Infinite ETB. Infinite LTB. Infinite sacrifice triggers.

Grenzo, Dungeon Warden
0.09% of 3267 decks 3 decks
Purphoros, God of the Forge
0.05% of 3784 decks 2 decks
Slicer, Hired Muscle
0.02% of 5987 decks 1 decks
Abdel Adrian, Gorion's Ward // Street Urchin
0.49% of 206 decks 1 decks
High Synergy Cards
Skirk Prospector
86% of 7 decks +83% synergy
Ashnod's Altar
86% of 7 decks +78% synergy
Impact Tremors
86% of 7 decks +76% synergy
Krenko, Mob Boss
71% of 7 decks +70% synergy
Siege-Gang Commander
71% of 7 decks +69% synergy
Goblin Bombardment
71% of 7 decks +65% synergy
Thornbite Staff
57% of 7 decks +56% synergy
Mana Echoes
57% of 7 decks +56% synergy
Goblin Matron
57% of 7 decks +55% synergy
Goblin Welder
57% of 7 decks +54% synergy
Top Cards
Kiki-Jiki, Mirror Breaker
57% of 7 decks +54% synergy
Skullclamp
57% of 7 decks +45% synergy
Jeska's Will
57% of 7 decks +40% synergy
Blasphemous Act
57% of 7 decks +24% synergy
Creatures
Auriok Salvagers
100% of 1 decks +100% synergy
Barkform Harvester
100% of 1 decks +99% synergy
Eldrazi Displacer
100% of 1 decks +98% synergy
Solitude
100% of 1 decks +98% synergy
Restoration Angel
100% of 1 decks +97% synergy
Felidar Guardian
100% of 1 decks +97% synergy
Zirda, the Dawnwaker
100% of 1 decks +97% synergy
Stoneforge Mystic
100% of 1 decks +97% synergy
Heliod, Sun-Crowned
100% of 1 decks +97% synergy
Molten Gatekeeper
100% of 2 decks +95% synergy
Loran of the Third Path
100% of 1 decks +93% synergy
Grand Abolisher
100% of 1 decks +91% synergy
Agate Instigator
100% of 1 decks +90% synergy
Hoverstone Pilgrim
67% of 3 decks +67% synergy
Tomb Trawler
67% of 3 decks +67% synergy
Priest of Gix
67% of 3 decks +66% synergy
Sling-Gang Lieutenant
67% of 3 decks +66% synergy
Murderous Redcap
67% of 3 decks +65% synergy
Pitiless Plunderer
67% of 3 decks +59% synergy
Viscera Seer
67% of 3 decks +57% synergy
Warren Soultrader
50% of 2 decks +43% synergy
Orcish Bowmasters
50% of 2 decks +39% synergy
Epitaph Golem
43% of 7 decks +43% synergy
Priest of Urabrask
43% of 7 decks +42% synergy
Goblin Chirurgeon
43% of 7 decks +42% synergy
Goblin Recruiter
43% of 7 decks +42% synergy
Goblin Warchief
43% of 7 decks +41% synergy
Zealous Conscripts
43% of 7 decks +41% synergy
Goblin Engineer
43% of 7 decks +39% synergy
Dualcaster Mage
43% of 7 decks +38% synergy
Dockside Extortionist
43% of 7 decks +30% synergy
Warteye Witch
33% of 3 decks +33% synergy
Mad Auntie
33% of 3 decks +33% synergy
Frogtosser Banneret
33% of 3 decks +33% synergy
Whisper, Blood Liturgist
33% of 3 decks +32% synergy
Necrotic Ooze
33% of 3 decks +32% synergy
Reckless Lackey
33% of 3 decks +32% synergy
Spawn-Gang Commander
33% of 3 decks +32% synergy
Hedron Detonator
33% of 3 decks +32% synergy
Judith, the Scourge Diva
33% of 3 decks +32% synergy
Siege-Gang Lieutenant
33% of 3 decks +31% synergy
Ruthless Technomancer
33% of 3 decks +31% synergy
Leaden Myr
33% of 3 decks +31% synergy
Pawn of Ulamog
33% of 3 decks +31% synergy
Woe Strider
33% of 3 decks +31% synergy
Mikaeus, the Unhallowed
33% of 3 decks +31% synergy
Stitcher's Supplier
33% of 3 decks +30% synergy
Marionette Master
33% of 3 decks +30% synergy
Ravenous Chupacabra
33% of 3 decks +29% synergy
Chainer, Nightmare Adept
33% of 3 decks +28% synergy
Instants
Calamity's Wake
100% of 1 decks +99% synergy
Orim's Chant
100% of 1 decks +99% synergy
Ephemerate
100% of 1 decks +94% synergy
Silence
100% of 1 decks +94% synergy
Enlightened Tutor
100% of 1 decks +82% synergy
Teferi's Protection
100% of 1 decks +80% synergy
Path to Exile
100% of 1 decks +55% synergy
Swords to Plowshares
100% of 1 decks +37% synergy
Valakut Awakening
43% of 7 decks +36% synergy
Chaos Warp
43% of 7 decks +11% synergy
Saw in Half
33% of 3 decks +30% synergy
Fire Covenant
33% of 3 decks +30% synergy
Culling the Weak
33% of 3 decks +30% synergy
Dark Ritual
33% of 3 decks +11% synergy
Commune with Lava
29% of 7 decks +27% synergy
Pyretic Ritual
29% of 7 decks +26% synergy
Seething Song
29% of 7 decks +23% synergy
Pyroblast
29% of 7 decks +22% synergy
Faithless Salvaging
14% of 7 decks +14% synergy
Volt Charge
14% of 7 decks +14% synergy
Brightstone Ritual
14% of 7 decks +13% synergy
Desperate Ritual
14% of 7 decks +12% synergy
Expedite
14% of 7 decks +11% synergy
Comet Storm
14% of 7 decks +11% synergy
Wild Magic Surge
14% of 7 decks +11% synergy
Tibalt's Trickery
14% of 7 decks +9% synergy
Red Elemental Blast
14% of 7 decks +8% synergy
Unexpected Windfall
14% of 7 decks +8% synergy
Abrade
14% of 7 decks +3% synergy
Deflecting Swat
14% of 7 decks -2% synergy
Sorceries
Sevinne's Reclamation
100% of 1 decks +93% synergy
Sundering Eruption
50% of 2 decks +45% synergy
Gamble
43% of 7 decks +33% synergy
Into the Fire
33% of 3 decks +32% synergy
Reckless Handling
33% of 3 decks +31% synergy
Glimpse the Impossible
33% of 3 decks +31% synergy
Song of Totentanz
33% of 3 decks +31% synergy
Reanimate
33% of 3 decks +18% synergy
Heat Shimmer
29% of 7 decks +27% synergy
Twinflame
29% of 7 decks +25% synergy
Wheel of Fortune
29% of 7 decks +23% synergy
Rolling Earthquake
14% of 7 decks +14% synergy
By Force
14% of 7 decks +13% synergy
Brotherhood's End
14% of 7 decks +13% synergy
Insurrection
14% of 7 decks +13% synergy
Crash Through
14% of 7 decks +13% synergy
Hordeling Outburst
14% of 7 decks +13% synergy
Mizzium Mortars
14% of 7 decks +13% synergy
Krenko's Command
14% of 7 decks +13% synergy
Dragon Fodder
14% of 7 decks +12% synergy
Reforge the Soul
14% of 7 decks +12% synergy
Light Up the Stage
14% of 7 decks +11% synergy
Shatterskull Smashing
14% of 7 decks +11% synergy
Mizzix's Mastery
14% of 7 decks +11% synergy
Mana Geyser
14% of 7 decks +8% synergy
Faithless Looting
14% of 7 decks -3% synergy
Utility Artifacts
The Cauldron of Eternity
67% of 3 decks +66% synergy
Heartstone
43% of 7 decks +42% synergy
Ruby Medallion
43% of 7 decks +40% synergy
Soldevi Digger
29% of 7 decks +29% synergy
Darksteel Pendant
29% of 7 decks +29% synergy
Crystal Ball
29% of 7 decks +28% synergy
Umbral Mantle
29% of 7 decks +28% synergy
Cloudstone Curio
29% of 7 decks +28% synergy
Teferi's Puzzle Box
29% of 7 decks +28% synergy
Altar of Dementia
29% of 7 decks +26% synergy
Helm of the Host
29% of 7 decks +25% synergy
Panharmonicon
29% of 7 decks +24% synergy
Lightning Greaves
29% of 7 decks +3% synergy
Swiftfoot Boots
29% of 7 decks +1% synergy
The One Ring
25% of 4 decks +16% synergy
Citanul Flute
14% of 7 decks +14% synergy
Reito Lantern
14% of 7 decks +14% synergy
Tel-Jilad Stylus
14% of 7 decks +14% synergy
Cloak and Dagger
14% of 7 decks +14% synergy
Thran Temporal Gateway
14% of 7 decks +14% synergy
Mazemind Tome
14% of 7 decks +14% synergy
Memory Jar
14% of 7 decks +14% synergy
Pyre of Heroes
14% of 7 decks +14% synergy
Treasure Map
14% of 7 decks +13% synergy
Voltaic Key
14% of 7 decks +13% synergy
Helm of Awakening
14% of 7 decks +13% synergy
Mind's Eye
14% of 7 decks +13% synergy
Champion's Helm
14% of 7 decks +13% synergy
Hazoret's Monument
14% of 7 decks +13% synergy
Endless Atlas
14% of 7 decks +13% synergy
Altar of the Brood
14% of 7 decks +13% synergy
Illusionist's Bracers
14% of 7 decks +13% synergy
Darksteel Forge
14% of 7 decks +13% synergy
Moonsilver Key
14% of 7 decks +13% synergy
Lithoform Engine
14% of 7 decks +13% synergy
Manifold Key
14% of 7 decks +13% synergy
Elixir of Immortality
14% of 7 decks +13% synergy
Crucible of Worlds
14% of 7 decks +12% synergy
Expedition Map
14% of 7 decks +11% synergy
Sword of the Animist
14% of 7 decks +10% synergy
Wayfarer's Bauble
14% of 7 decks +4% synergy
Enchantments
Shadows of the Past
33% of 3 decks +33% synergy
Grave Pact
33% of 3 decks +29% synergy
Animate Dead
33% of 3 decks +24% synergy
Braid of Fire
29% of 7 decks +28% synergy
Blood Moon
29% of 7 decks +25% synergy
Warstorm Surge
29% of 7 decks +23% synergy
The Flame of Keld
14% of 7 decks +14% synergy
Blood Sun
14% of 7 decks +14% synergy
Vicious Shadows
14% of 7 decks +14% synergy
Goblinslide
14% of 7 decks +14% synergy
Curse of Obsession
14% of 7 decks +14% synergy
Mass Hysteria
14% of 7 decks +14% synergy
Price of Glory
14% of 7 decks +14% synergy
Splinter Twin
14% of 7 decks +14% synergy
Repercussion
14% of 7 decks +13% synergy
Mechanized Warfare
14% of 7 decks +13% synergy
Flameshadow Conjuring
14% of 7 decks +13% synergy
Bitter Reunion
14% of 7 decks +13% synergy
Outpost Siege
14% of 7 decks +12% synergy
Sneak Attack
14% of 7 decks +12% synergy
Aggravated Assault
14% of 7 decks +11% synergy
Underworld Breach
14% of 7 decks +8% synergy
Planeswalkers
Chandra, Torch of Defiance
29% of 7 decks +26% synergy
Jaya, Venerated Firemage
14% of 7 decks +14% synergy
Koth of the Hammer
14% of 7 decks +14% synergy
Chandra, Dressed to Kill
14% of 7 decks +14% synergy
Utility Lands
Arena of Glory
50% of 2 decks +41% synergy
Pit of Offerings
33% of 3 decks +33% synergy
Great Hall of the Citadel
33% of 3 decks +32% synergy
Isolated Watchtower
29% of 7 decks +28% synergy
Maze of Ith
29% of 7 decks +26% synergy
Strip Mine
29% of 7 decks +26% synergy
Blinkmoth Well
14% of 7 decks +14% synergy
Glacial Chasm
14% of 7 decks +14% synergy
Flamekin Village
14% of 7 decks +13% synergy
Zhalfirin Void
14% of 7 decks +13% synergy
Smoldering Crater
14% of 7 decks +13% synergy
Vesuva
14% of 7 decks +13% synergy
Wasteland
14% of 7 decks +13% synergy
Inventors' Fair
14% of 7 decks +10% synergy
Darksteel Citadel
14% of 7 decks +10% synergy
Spinerock Knoll
14% of 7 decks +10% synergy
Forgotten Cave
14% of 7 decks +10% synergy
Command Beacon
14% of 7 decks +10% synergy
Buried Ruin
14% of 7 decks +9% synergy
Great Furnace
14% of 7 decks +9% synergy
Urza's Saga
14% of 7 decks +7% synergy
Temple of the False God
14% of 7 decks +5% synergy
Urborg, Tomb of Yawgmoth
14% of 7 decks +4% synergy
Ancient Tomb
14% of 7 decks +4% synergy
Mana Artifacts
Talisman of Conviction
100% of 1 decks +77% synergy
Sol Ring
100% of 7 decks +16% synergy
Arcane Signet
71% of 7 decks -1% synergy
Fire Diamond
43% of 7 decks +37% synergy
Mana Crypt
43% of 7 decks +34% synergy
Thran Turbine
29% of 7 decks +28% synergy
Basalt Monolith
29% of 7 decks +26% synergy
Mind Stone
29% of 7 decks +11% synergy
Fellwar Stone
29% of 7 decks +7% synergy
Gemstone Array
14% of 7 decks +14% synergy
Lavabrink Floodgates
14% of 7 decks +14% synergy
Unstable Obelisk
14% of 7 decks +14% synergy
Extraplanar Lens
14% of 7 decks +13% synergy
Coldsteel Heart
14% of 7 decks +13% synergy
Prismatic Lens
14% of 7 decks +13% synergy
Lion's Eye Diamond
14% of 7 decks +13% synergy
Grim Monolith
14% of 7 decks +12% synergy
Relic of Legends
14% of 7 decks +12% synergy
Hedron Archive
14% of 7 decks +11% synergy
Gilded Lotus
14% of 7 decks +11% synergy
Mox Amber
14% of 7 decks +10% synergy
Mox Diamond
14% of 7 decks +10% synergy
Mox Opal
14% of 7 decks +10% synergy
Cursed Mirror
14% of 7 decks +9% synergy
Jeweled Lotus
14% of 7 decks +8% synergy
Chrome Mox
14% of 7 decks +8% synergy
Mana Vault
14% of 7 decks +8% synergy
Lotus Petal
14% of 7 decks +8% synergy
Lands
Needleverge Pathway
100% of 1 decks +91% synergy
Battlefield Forge
100% of 1 decks +75% synergy
Sacred Foundry
100% of 1 decks +64% synergy
Canyon Slough
67% of 3 decks +61% synergy
Tainted Peak
67% of 3 decks +57% synergy
Haunted Ridge
67% of 3 decks +51% synergy
Sulfurous Springs
67% of 3 decks +47% synergy
Dragonskull Summit
67% of 3 decks +36% synergy
Smoldering Marsh
67% of 3 decks +34% synergy
Blood Crypt
67% of 3 decks +28% synergy
Command Tower
57% of 7 decks -17% synergy
Lazotep Quarry
50% of 2 decks +49% synergy
Horizon of Progress
50% of 2 decks +48% synergy
Talon Gates of Madara
50% of 2 decks +46% synergy
Auntie's Hovel
33% of 3 decks +33% synergy
Conduit Pylons
33% of 3 decks +32% synergy
The Grey Havens
33% of 3 decks +32% synergy
Urza's Cave
33% of 3 decks +29% synergy
Blackcleave Cliffs
33% of 3 decks +28% synergy
Graven Cairns
33% of 3 decks +26% synergy
Blightstep Pathway
33% of 3 decks +23% synergy
Shadowblood Ridge
33% of 3 decks +21% synergy
Temple of Malice
33% of 3 decks +19% synergy
Foreboding Ruins
33% of 3 decks +18% synergy
Luxury Suite
33% of 3 decks +7% synergy
Plaza of Heroes
29% of 7 decks +25% synergy
The Mycosynth Gardens
20% of 5 decks +18% synergy
Grand Coliseum
14% of 7 decks +14% synergy
Study Hall
14% of 7 decks +14% synergy
Vivid Crag
14% of 7 decks +14% synergy
Crystal Grotto
14% of 7 decks +13% synergy
Thriving Bluff
14% of 7 decks +12% synergy
Opal Palace
14% of 7 decks +12% synergy
Spire of Industry
14% of 7 decks +11% synergy
Demolition Field
14% of 7 decks +11% synergy
Gemstone Caverns
14% of 7 decks +9% synergy
Reflecting Pool
14% of 7 decks +9% synergy
Cavern of Souls
14% of 7 decks +7% synergy
City of Brass
14% of 7 decks +6% synergy
Bloodstained Mire
14% of 7 decks +4% synergy
Arid Mesa
14% of 7 decks +4% synergy
Path of Ancestry
14% of 7 decks -7% synergy
Exotic Orchard
14% of 7 decks -21% synergy